Home / 14,621.60-21,934.72-4,760.08

Finding the Fourth Proportional to 14,621.60, 21,934.72 and 4,760.08

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Solution

The fourth proportional to 14,621.60, 21,934.72 and 4,760.08 is: 7,140.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.60 : 21,934.72 = 4,760.08 : x
  2. Step 2: Convert to fraction form
    14,621.60/21,934.72 = 4,760.08/x
  3. Step 3: Cross multiply
    14,621.60x = 21,934.72 × 4,760.08
  4. Step 4: Simplify right side
    14,621.60x = 104,411,021.98
  5. Step 5: Solve for x
    x = 104,411,021.98/14,621.60
  6. Step 6: Final answer
    x = 7,140.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.